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libinput: add support for LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE 

This is required to get Qt EGLFS in qemu working, as qemu mouse
device issues only absolute mouse events.

Fixes: QTBUG-69172
Change-Id: Ia9985dc01d7871fdcd856c14160d54d3ce684396
Reviewed-by: Johan Helsing <johan.helsing@qt.io>
Alexander Kanavin 2019-02-25 16:05:13 +01:00 committed by Shawn Rutledge
parent e2906ea5c4
commit 7d646508c8
3 changed files with 22 additions and 0 deletions
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3
src/platformsupport/input/libinput/qlibinputhandler.cpp
View File

@ -205,6 +205,9 @@ void QLibInputHandler::processEvent(libinput_event *ev)
case LIBINPUT_EVENT_POINTER_MOTION:
m_pointer->processMotion(libinput_event_get_pointer_event(ev));
break;
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
m_pointer->processAbsMotion(libinput_event_get_pointer_event(ev));
break;
case LIBINPUT_EVENT_POINTER_AXIS:
m_pointer->processAxis(libinput_event_get_pointer_event(ev));
break;

18
src/platformsupport/input/libinput/qlibinputpointer.cpp
View File

@ -103,6 +103,24 @@ void QLibInputPointer::processMotion(libinput_event_pointer *e)
Qt::NoButton, QEvent::MouseMove, mods);
}
void QLibInputPointer::processAbsMotion(libinput_event_pointer *e)
{
QScreen * const primaryScreen = QGuiApplication::primaryScreen();
const QRect g = QHighDpi::toNativePixels(primaryScreen->virtualGeometry(), primaryScreen);
const double x = libinput_event_pointer_get_absolute_x_transformed(e, g.width());
const double y = libinput_event_pointer_get_absolute_y_transformed(e, g.height());
m_pos.setX(qBound(g.left(), qRound(g.left() + x), g.right()));
m_pos.setY(qBound(g.top(), qRound(g.top() + y), g.bottom()));
Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
QWindowSystemInterface::handleMouseEvent(nullptr, m_pos, m_pos, m_buttons,
Qt::NoButton, QEvent::MouseMove, mods);
}
void QLibInputPointer::processAxis(libinput_event_pointer *e)
{
double value; // default axis value is 15 degrees per wheel click

1
src/platformsupport/input/libinput/qlibinputpointer_p.h
View File

@ -64,6 +64,7 @@ public:
void processButton(libinput_event_pointer *e);
void processMotion(libinput_event_pointer *e);
void processAbsMotion(libinput_event_pointer *e);
void processAxis(libinput_event_pointer *e);
void setPos(const QPoint &pos);